newRoutingInfo is only ever assigned to in the child process, it is used for the initial routing info and all subsequent ones.
case MT_S2C_BEGIN_ROUTING_INFO:
TR_DEBUG(ctx,rec,"clientProcess: received begin routing info message\n");
odrRoutingInfoRelease(odr->newRoutingInfo);
odr->newRoutingInfo = odrRoutingInfoCreate(odr);
break;